package com.heyxampis.newmantis.util.filters;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebFilter(filterName = "UsuarioLogadoFilter", urlPatterns = { "/paginas/*" })
public class SistemaFilter implements Filter {

	@Override
	public void destroy() {

	}

	@Override
	public void doFilter(ServletRequest request, ServletResponse response,
			FilterChain chain) throws IOException, ServletException {
		try{
			HttpServletRequest req = (HttpServletRequest) request;
			HttpSession session = req.getSession();
			if (session.getAttribute("ID_USUARIO") == null) {
				HttpServletResponse res = (HttpServletResponse) response;
				
				res.sendRedirect("/newmantis/resources/paginas/login.xhtml");
			} else {
				chain.doFilter(request, response);
			}
		}catch(Exception e){
			e.printStackTrace();
		}
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {

	}

}
